eZing Builder

I am getting the same problem on MacOSX 10.4.9 with eclipse 3.2.2 and ezing builder 1.0.5. The error log has the following message when I switch from Design view to source view.

eclipse.buildId=M20070212-1330
java.version=1.5.0_07
java.vendor=Apple Computer, Inc.
BootLoader constants: OS=macosx, ARCH=x86, WS=carbon, NL=en_US
Framework arguments: -keyring /Users/tim/.eclipse_keyring -showlocation
Command-line arguments: -os macosx -ws carbon -keyring /Users/tim/.eclipse_keyring -consoleLog -showlocation
This is a continuation of log file /Users/tim/Documents/workspace/.metadata/.bak_0.log
Created Time: 2007-03-12 11:18:46.743

Error
Fri Mar 23 07:38:51 EST 2007
java.lang.NullPointerException

java.lang.NullPointerException
at com.neusoft.ezingbuilder.designer.editors.HtmlFckDesignerMultiPageEditor.setDesignerSourceToHtmlEditor(HtmlFckDesignerMultiPageEditor.java:175)
at com.neusoft.ezingbuilder.designer.editors.HtmlFckDesignerMultiPageEditor.pageChange(HtmlFckDesignerMultiPageEditor.java:161)
at org.eclipse.ui.part.MultiPageEditorPart$2.widgetSelected(MultiPageEditorPart.java:232)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1496)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1520)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1505)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279)
at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3171)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1953)
at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:288)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1496)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1520)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1505)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3312)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2941)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
at org.eclipse.jface.window.Window.open(Window.java:796)
at org.eclipse.pde.internal.runtime.logview.EventDetailsDialog.open(EventDetailsDialog.java:183)
at org.eclipse.pde.internal.runtime.logview.EventDetailsDialogAction.run(EventDetailsDialogAction.java:91)
at org.eclipse.pde.internal.runtime.logview.LogView$13.doubleClick(LogView.java:403)
at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:796)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at org.eclipse.core.runtime.Platform.run(Platform.java:843)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149)
at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:794)
at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1227)
at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1158)
at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:223)
at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:220)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:281)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1496)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1520)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1505)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3312)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2941)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1930)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1894)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:422)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at org.eclipse.core.launcher.Main.main(Main.java:952)